Science Fair Project Ideas has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

Sort by:
Showing 106 to 120 of 166
Study the effect of music on random rote memory. Examine the practical application of music in learning and education.
Middle School
This science fair project idea investigates the relationship between memory and age.
Middle School
Psychology and Sociology
The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.
Eighth Grade
Psychology and Sociology
Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.
Seventh Grade
Eighth Grade
Science fair project which determines whether people are more likely to follow rules if they are easy to understand.
Fifth Grade
Sixth Grade
This science fair project idea tests the efficiency of short term memory.
Middle School
The objective of this science fair project is to determine the rate at which participants can respond to different patterns.
Tenth Grade
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Elementary School
Third Grade
In this project, a mnemonic is used to test how it increases memory.
Fifth Grade
Psychology and Sociology

Share these projects with friends

clear all

Filter by

Recommended Learning Products
Trust to find smart things kids love
Unlimited Workbooks and Worksheets
90% of Students Understand Concepts Better Since Using PLUS
Reading and Math Program for Kids 3-7
300+ games and activities. Try it for free!
Unlimited Library of Children's Books
Over 750 stories at your fingertips